                              &\multicolumn{4}{c}{Ln(\# Firm Patents+1)}                                              \\\cmidrule(lr){2-5}
                              &\multicolumn{1}{c}{(1)}         &\multicolumn{1}{c}{(2)}         &\multicolumn{1}{c}{(3)}         &\multicolumn{1}{c}{(4)}         \\
\midrule
Crisis X After1929            &       0.049\sym{**} &       0.059\sym{***}&       0.052\sym{***}&       0.074\sym{***}\\
                              &     (0.021)         &     (0.020)         &     (0.020)         &     (0.021)         \\
\midrule
StateXTime FE                 &           Y         &           Y         &           Y         &           Y         \\
County FE                     &           Y         &           Y         &           Y         &           Y         \\
Inventor Type                 & Experienced         &Inexperienced         &       Older         &     Younger         \\
Start Decade                  &        1910         &        1910         &        1910         &        1910         \\
End Decade                    &        1940         &        1940         &        1940         &        1940         \\
Adj R-Sq                      &       0.842         &       0.869         &       0.846         &       0.844         \\
Obs                           &      11,900         &      11,900         &      11,900         &      11,900         \\
